"""
@Name:hist-practice1.py
@Auth:YJ
@Date:2023/11/4
"""
from matplotlib import pyplot as plt

a = [131, 98, 125, 131, 124, 139, 131, 117, 128, 108, 135, 138.131, 102, 107, 114, 119, 128, 121, 142, 127, 130, 124,
     101, 110,
     116, 117, 110, 128, 128, 115, 99, 136, 126, 134, 95, 138, 117, 111, 78, 132, 124, 113, 150, 110, 117, 86, 95, 144,
     105, 126,
     130, 126, 130, 126, 116, 123, 106, 112, 138, 123, 86, 101, 99, 136, 123, 117, 119, 105, 137, 123, 128, 125, 104,
     109, 134,
     125, 127, 105, 120, 107, 129, 116, 108, 132, 103, 136, 118, 102, 120, 114, 105, 115, 132, 145, 119, 121, 112, 139,
     125, 138, 109,
     132, 134, 156, 106, 117, 127, 144, 139, 139, 119, 140, 83, 110, 102, 123, 107, 143, 115, 136, 118, 139, 123, 112,
     118, 125, 109,
     119, 133, 112, 114, 122, 109, 106, 123, 116, 131, 127, 115, 118, 112, 135, 115, 146, 137, 116, 103, 144, 83, 123,
     111, 110, 111,
     100, 154, 136, 100, 118, 119, 133, 134, 106, 129, 126, 110, 111, 109, 141, 120, 117, 106, 149, 122, 122, 110, 118,
     127, 121, 114,
     125, 126, 114, 140, 103, 130, 141, 117, 106, 114, 121, 114, 133, 137, 92, 121, 112, 146, 97, 137, 105, 98, 117,
     112, 81, 97,
     139, 113, 134, 106, 144, 110, 137, 137, 111, 104, 117, 100, 111, 101, 110, 105, 129, 137, 112, 120, 113, 133, 112,
     83, 94, 146,
     133, 101, 131, 116, 111, 84, 137, 115, 122, 106, 144, 109, 123, 116, 111, 111, 133, 150]
# 设置图形大小
plt.figure(figsize=(20, 8), dpi=80)
# 计算组数
# 组距
d = 6
# 组数
num_bins = int((max(a) - min(a)) // d)

# 绘制直方图(density表示绘制频率直方图)
plt.hist(a, num_bins, density=True)
# 设置x轴刻度
plt.xticks(range(min(a), max(a) + d, d))
# 设置网格
plt.grid()
# 展示
plt.show()
